<template>
  <eip-modal
    :visible="visible"
    title="表达式配置"
    @close="close"
    :zIndex="1104"
  >
    <template slot="body">
      <div>
        <a-tabs>
          <a-tab-pane key="1" tab="秒" v-if="shouldHide('second')">
            <CrontabSecond
              @update="updateCrontabValue"
              :check="checkNumber"
              :cron="crontabValueObj"
              ref="cronsecond"
            />
          </a-tab-pane>

          <a-tab-pane key="2" tab="分钟" v-if="shouldHide('min')">
            <CrontabMin
              @update="updateCrontabValue"
              :check="checkNumber"
              :cron="crontabValueObj"
              ref="cronmin"
            />
          </a-tab-pane>

          <a-tab-pane key="3" tab="小时" v-if="shouldHide('hour')">
            <CrontabHour
              @update="updateCrontabValue"
              :check="checkNumber"
              :cron="crontabValueObj"
              ref="cronhour"
            />
          </a-tab-pane>

          <a-tab-pane key="4" tab="日" v-if="shouldHide('day')">
            <CrontabDay
              @update="updateCrontabValue"
              :check="checkNumber"
              :cron="crontabValueObj"
              ref="cronday"
            />
          </a-tab-pane>

          <a-tab-pane key="5" tab="月" v-if="shouldHide('month')">
            <CrontabMonth
              @update="updateCrontabValue"
              :check="checkNumber"
              :cron="crontabValueObj"
              ref="cronmonth"
            />
          </a-tab-pane>

          <a-tab-pane key="6" tab="周" v-if="shouldHide('week')">
            <CrontabWeek
              @update="updateCrontabValue"
              :check="checkNumber"
              :cron="crontabValueObj"
              ref="cronweek"
            />
          </a-tab-pane>

          <a-tab-pane key="7" tab="年" v-if="shouldHide('year')">
            <CrontabYear
              @update="updateCrontabValue"
              :check="checkNumber"
              :cron="crontabValueObj"
              ref="cronyear"
            />
          </a-tab-pane>
        </a-tabs>

        <div class="popup-main">
          <div class="popup-result">
            <table>
              <thead>
                <th v-for="item of tabTitles" width="40" :key="item">
                  {{ item }}
                </th>
                <th>Cron 表达式</th>
              </thead>
              <tbody>
                <td>
                  <span>{{ crontabValueObj.second }}</span>
                </td>
                <td>
                  <span>{{ crontabValueObj.min }}</span>
                </td>
                <td>
                  <span>{{ crontabValueObj.hour }}</span>
                </td>
                <td>
                  <span>{{ crontabValueObj.day }}</span>
                </td>
                <td>
                  <span>{{ crontabValueObj.month }}</span>
                </td>
                <td>
                  <span>{{ crontabValueObj.week }}</span>
                </td>
                <td>
                  <span>{{ crontabValueObj.year }}</span>
                </td>
                <td>
                  <span>{{ crontabValueString }}</span>
                </td>
              </tbody>
            </table>
          </div>
          <CrontabResult :ex="crontabValueString"></CrontabResult>
        </div>
      </div>
    </template>
    <template slot="footer">
      <a-space>
        <a-button key="back" @click="close"
          ><a-icon type="close" />取消</a-button
        >
        <a-button key="submit" @click="handleSubmit" type="primary"
          ><a-icon type="save" />确定</a-button
        >
      </a-space>
    </template>
  </eip-modal>
</template>

<script>
import CrontabSecond from "./cron/second.vue";
import CrontabMin from "./cron/min.vue";
import CrontabHour from "./cron/hour.vue";
import CrontabDay from "./cron/day.vue";
import CrontabMonth from "./cron/month.vue";
import CrontabWeek from "./cron/week.vue";
import CrontabYear from "./cron/year.vue";
import CrontabResult from "./cron/result.vue";

export default {
  data() {
    return {
      visible: false,
      tabTitles: ["秒", "分钟", "小时", "日", "月", "周", "年"],
      tabActive: 0,
      myindex: 0,
      crontabValueObj: {
        second: "*",
        min: "*",
        hour: "*",
        day: "*",
        month: "*",
        week: "?",
        year: "",
      },
    };
  },
  name: "eip-cron",
  props: ["expression", "hideComponent"],
  methods: {
    close() {
      this.visible = false;
    },
    show() {
      this.visible = true;
    },
    handleSubmit() {
      this.$emit("ok", this.crontabValueString);
      this.close();
      this.visible = false;
    },
    shouldHide(key) {
      if (this.hideComponent && this.hideComponent.includes(key)) return false;
      return true;
    },
    resolveExp() {
      // 反解析 表达式
      if (this.expression) {
        let arr = this.expression.split(" ");
        if (arr.length >= 6) {
          //6 位以上是合法表达式
          let obj = {
            second: arr[0],
            min: arr[1],
            hour: arr[2],
            day: arr[3],
            month: arr[4],
            week: arr[5],
            year: arr[6] ? arr[6] : "",
          };
          this.crontabValueObj = {
            ...obj,
          };
          for (let i in obj) {
            if (obj[i]) this.changeRadio(i, obj[i]);
          }
        }
      } else {
        // 没有传入的表达式 则还原
        this.clearCron();
      }
    },
    // tab切换值
    tabCheck(index) {
      this.tabActive = index;
    },
    // 由子组件触发，更改表达式组成的字段值
    updateCrontabValue(name, value, from) {
      "updateCrontabValue", name, value, from;
      this.crontabValueObj[name] = value;
      if (from && from !== name) {
        this.changeRadio(name, value);
      }
    },
    // 赋值到组件
    changeRadio(name, value) {
      let arr = ["second", "min", "hour", "month"],
        refName = "cron" + name,
        insValue;

      if (!this.$refs[refName]) return;

      if (arr.includes(name)) {
        if (value === "*") {
          insValue = 1;
        } else if (value.indexOf("-") > -1) {
          let indexArr = value.split("-");
          isNaN(indexArr[0])
            ? (this.$refs[refName].cycle01 = 0)
            : (this.$refs[refName].cycle01 = indexArr[0]);
          this.$refs[refName].cycle02 = indexArr[1];
          insValue = 2;
        } else if (value.indexOf("/") > -1) {
          let indexArr = value.split("/");
          isNaN(indexArr[0])
            ? (this.$refs[refName].average01 = 0)
            : (this.$refs[refName].average01 = indexArr[0]);
          this.$refs[refName].average02 = indexArr[1];
          insValue = 3;
        } else {
          insValue = 4;
          this.$refs[refName].checkboxList = value.split(",");
        }
      } else if (name == "day") {
        if (value === "*") {
          insValue = 1;
        } else if (value == "?") {
          insValue = 2;
        } else if (value.indexOf("-") > -1) {
          let indexArr = value.split("-");
          isNaN(indexArr[0])
            ? (this.$refs[refName].cycle01 = 0)
            : (this.$refs[refName].cycle01 = indexArr[0]);
          this.$refs[refName].cycle02 = indexArr[1];
          insValue = 3;
        } else if (value.indexOf("/") > -1) {
          let indexArr = value.split("/");
          isNaN(indexArr[0])
            ? (this.$refs[refName].average01 = 0)
            : (this.$refs[refName].average01 = indexArr[0]);
          this.$refs[refName].average02 = indexArr[1];
          insValue = 4;
        } else if (value.indexOf("W") > -1) {
          let indexArr = value.split("W");
          isNaN(indexArr[0])
            ? (this.$refs[refName].workday = 0)
            : (this.$refs[refName].workday = indexArr[0]);
          insValue = 5;
        } else if (value === "L") {
          insValue = 6;
        } else {
          this.$refs[refName].checkboxList = value.split(",");
          insValue = 7;
        }
      } else if (name == "week") {
        if (value === "*") {
          insValue = 1;
        } else if (value == "?") {
          insValue = 2;
        } else if (value.indexOf("-") > -1) {
          let indexArr = value.split("-");
          isNaN(indexArr[0])
            ? (this.$refs[refName].cycle01 = 0)
            : (this.$refs[refName].cycle01 = indexArr[0]);
          this.$refs[refName].cycle02 = indexArr[1];
          insValue = 3;
        } else if (value.indexOf("#") > -1) {
          let indexArr = value.split("#");
          isNaN(indexArr[0])
            ? (this.$refs[refName].average01 = 1)
            : (this.$refs[refName].average01 = indexArr[0]);
          this.$refs[refName].average02 = indexArr[1];
          insValue = 4;
        } else if (value.indexOf("L") > -1) {
          let indexArr = value.split("L");
          isNaN(indexArr[0])
            ? (this.$refs[refName].weekday = 1)
            : (this.$refs[refName].weekday = indexArr[0]);
          insValue = 5;
        } else {
          this.$refs[refName].checkboxList = value.split(",");
          insValue = 6;
        }
      } else if (name == "year") {
        if (value == "") {
          insValue = 1;
        } else if (value == "*") {
          insValue = 2;
        } else if (value.indexOf("-") > -1) {
          insValue = 3;
        } else if (value.indexOf("/") > -1) {
          insValue = 4;
        } else {
          this.$refs[refName].checkboxList = value.split(",");
          insValue = 5;
        }
      }
      this.$refs[refName].radioValue = insValue;
    },
    // 表单选项的子组件校验数字格式（通过-props传递）
    checkNumber(value, minLimit, maxLimit) {
      // 检查必须为整数
      value = Math.floor(value);
      if (value < minLimit) {
        value = minLimit;
      } else if (value > maxLimit) {
        value = maxLimit;
      }
      return value;
    },

    clearCron() {
      // 还原选择项
      ("准备还原");
      this.crontabValueObj = {
        second: "*",
        min: "*",
        hour: "*",
        day: "*",
        month: "*",
        week: "?",
        year: "",
      };
      for (let j in this.crontabValueObj) {
        this.changeRadio(j, this.crontabValueObj[j]);
      }
    },
  },
  computed: {
    modalWidth() {
      return 608;
    },
    crontabValueString: function () {
      let obj = this.crontabValueObj;
      let str =
        obj.second +
        " " +
        obj.min +
        " " +
        obj.hour +
        " " +
        obj.day +
        " " +
        obj.month +
        " " +
        obj.week +
        (obj.year == "" ? "" : " " + obj.year);
      return str;
    },
  },
  components: {
    CrontabSecond,
    CrontabMin,
    CrontabHour,
    CrontabDay,
    CrontabMonth,
    CrontabWeek,
    CrontabYear,
    CrontabResult,
  },
  watch: {
    expression: "resolveExp",
    hideComponent(value) {
      // 隐藏部分组件
    },
  },
  mounted: function () {
    this.resolveExp();
  },
};
</script>
<style scoped>
.pop_btn {
  text-align: center;
  margin-top: 20px;
}

.popup-main {
  position: relative;
  margin: 4px auto;
  background: #fff;
  border-radius: 5px;
  font-size: 12px;
  overflow: hidden;
}

.popup-title {
  overflow: hidden;
  line-height: 34px;
  padding-top: 6px;
  background: #f2f2f2;
}

.popup-result {
  box-sizing: border-box;
  line-height: 24px;
  margin: 5px auto;
  padding: 10px;
  border: 1px solid #ccc;
  position: relative;
}

.popup-result .title {
  position: absolute;
  top: -28px;
  left: 50%;
  width: 140px;
  font-size: 14px;
  margin-left: -70px;
  text-align: center;
  line-height: 30px;
  background: #fff;
}

.popup-result table {
  text-align: center;
  width: 100%;
  margin: 0 auto;
}

.popup-result table span {
  display: block;
  width: 100%;
  font-family: arial;
  line-height: 30px;
  height: 30px;
  white-space: nowrap;
  overflow: hidden;
  border: 1px solid #e8e8e8;
}

.popup-result-scroll {
  font-size: 12px;
  line-height: 24px;
  height: 10em;
  overflow-y: auto;
}

/deep/ .ant-form-item-control {
  line-height: 25px !important;
}
</style>
